/** 
 * 系统配置
*/
module.exports = {
    port: 3000, //服务器端口
    //Db_url:'mongodb+srv://huangnan:hn123456@huangnan-exam-jmk6r.mongodb.net/exam?retryWrites=true',
    Db_url: 'mongodb://localhost:27017/chat',
    secretOrPrivateKey: 'xiaoyixiang'
}
